diff --git a/validate/gst/validate/gst-validate-scenario.c b/validate/gst/validate/gst-validate-scenario.c
index 6bcab936e8..edfd155c45 100644
--- a/validate/gst/validate/gst-validate-scenario.c
+++ b/validate/gst/validate/gst-validate-scenario.c
@@ -553,8 +553,6 @@ gst_validate_action_type_new (void)
 
   gst_validate_action_type_init (type);
 
-  /* action types are never freed */
-  GST_MINI_OBJECT_FLAG_SET (type, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
   return type;
 }
 
@@ -3304,6 +3302,7 @@ gst_validate_action_default_prepare_func (GstValidateAction * action)
       action->repeat, NULL);
 
 done:
+  gst_clear_mini_object ((GstMiniObject **) & type);
   if (scenario)
     gst_object_unref (scenario);
 
@@ -4150,6 +4149,8 @@ gst_validate_scenario_finalize (GObject * object)
   g_assert (g_main_context_acquire (g_main_context_default ()));
   g_main_context_release (g_main_context_default ());
 
+  g_list_free_full (priv->seeks,
+      (GDestroyNotify) gst_validate_seek_information_free);
   g_list_free_full (priv->actions, (GDestroyNotify) gst_mini_object_unref);
   g_list_free_full (priv->interlaced_actions,
       (GDestroyNotify) gst_mini_object_unref);
diff --git a/validate/gst/validate/validate.c b/validate/gst/validate/validate.c
index 0405712aac..d8980baa53 100644
--- a/validate/gst/validate/validate.c
+++ b/validate/gst/validate/validate.c
@@ -151,6 +151,7 @@ get_test_file_meta (void)
   return NULL;
 }
 
+/* Takes ownership of @structures */
 static GList *
 get_config_from_structures (GList * structures, GstStructure * local_vars,
     const gchar * suffix)
@@ -169,6 +170,7 @@ get_config_from_structures (GList * structures, GstStructure * local_vars,
         }
         gst_structure_foreach (structure,
             (GstStructureForeachFunc) _set_vars_func, local_vars);
+        gst_structure_free (structure);
       } else {
         gst_validate_structure_resolve_variables (structure, local_vars);
         result = g_list_append (result, structure);
@@ -181,6 +183,7 @@ get_config_from_structures (GList * structures, GstStructure * local_vars,
       gst_structure_free (structure);
     }
   }
+  g_list_free (structures);
 
   return result;
 }
@@ -228,7 +231,6 @@ create_config (const gchar * config, const gchar * suffix)
   result = get_config_from_structures (structures, local_vars, suffix);
 
   loaded_globals = TRUE;
-  g_list_free (structures);
   gst_structure_free (local_vars);
   return result;
 }
@@ -271,6 +273,7 @@ gst_validate_get_testfile_configs (const gchar * suffix)
   }
 
   g_free (filename);
+  g_free (debug);
   g_strfreev (config_strs);
 
   return get_config_from_structures (res, NULL, suffix);
diff --git a/validate/launcher/baseclasses.py b/validate/launcher/baseclasses.py
index 1bc50c5b17..3bf73cc0e0 100644
--- a/validate/launcher/baseclasses.py
+++ b/validate/launcher/baseclasses.py
@@ -2561,7 +2561,7 @@ class GstValidateMediaDescriptor(MediaDescriptor):
             if self._xml_path.endswith(ext):
                 return self._xml_path[:len(self._xml_path) - (len(ext) + 1)]
 
-        assert "Not reached" is None
+        assert "Not reached" == None  # noqa
 
     @staticmethod
     def new_from_uri(uri, verbose=False, include_frames=False, is_push=False, is_skipped=False):
diff --git a/validate/tools/gst-validate.c b/validate/tools/gst-validate.c
index f91035360d..968af6dd5e 100644
--- a/validate/tools/gst-validate.c
+++ b/validate/tools/gst-validate.c
@@ -306,7 +306,7 @@ _register_playbin_actions (void)
 int main (int argc, gchar ** argv);
 
 static int
-run_test_from_file (const gchar * testfile, gboolean use_fakesinks)
+run_test_from_file (gchar * testfile, gboolean use_fakesinks)
 {
   gint argc, ret;
   gchar **args, **argv;
@@ -328,8 +328,8 @@ run_test_from_file (const gchar * testfile, gboolean use_fakesinks)
 
   g_strfreev (args);
   g_free (argv);
+  g_free (testfile);
   return ret;
-
 }
 
 int
@@ -427,6 +427,7 @@ main (int argc, gchar ** argv)
     if (scenario)
       gst_validate_abort
           ("Can not specify scenario and testfile at the same time");
+    g_option_context_free (ctx);
     return run_test_from_file (testfile, use_fakesinks);
   }